barium carbonate

noun

, Chemistry.

a white, poisonous, water-insoluble powder, BaCO 3 , used chiefly in the manufacture of rodenticides, paints, and dyes.

First recorded in 1870–75

It was then evaporated to a small bulk, neutralized with barium carbonate and extracted with ether.

The excess of lead was removed by sulphuric acid, and the sulphuric acid was removed by barium carbonate.

If the soda alone gave a further precipitate of barium carbonate, this may, perhaps, be due to the presence of bicarbonates.

A little barium carbonate added to the clay will help to effect a cure.

It can also be obtained by suspending barium carbonate in boiling water and passing in chlorine.

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